Glass test tube flower vases, 1x4" (25x100mm), only $0.80; save 50% on case sizes. The extra thick rims are ideal for making hanging flower vases.. Made from heat resistant borosilicate glass ("Pyrex" TM) and are dishwasher safe. Test tube capacity is ~50 ml/2 fl. oz.
This size test tube is also available with these options:
Compatible test tube racks are listed in Related Products below.
Note: Test tube diameter is nominal; there can be a variance of as much as +/- 0.5mm. We cannot guarantee they will fit test tube racks or stoppers we don't supply.
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